package com.study.array;

/**
 * @author ytj
 * @date 2022/1/4
 */
public class Method15 {
    public static void main(String[] args) {
        int[] nums={-1,0,3,5,9,12};
        int target=2;
        System.out.println(search(nums, target));
    }

    public static int search(int[] nums, int target) {
        int left=0,right=nums.length-1;
        while (left<=right){
            int mid=(left+right)/2;
            if(nums[mid]==target){
                return mid;
            }else if(nums[mid]<target){
                left=mid+1;
            }else if(nums[mid]>target){
                right=mid-1;
            }
        }
        return -1;
    }
}
